CN201421582Y - Expansion card fixing device - Google Patents

Abstract

An expansion card fixing device comprises an installation frame and a fixing plate for installing an expansion card, wherein the installation frame is provided with a blending baffle plate, the fixingplate is provided with a first end inserted on the installation plate and a second end depending on the baffle plate of the installation frame, the expansion card fixing device further comprises an elastic clamping component which is rotatablely installed on the baffle plate, the elastic clamping component is provided with a movable part and a pressing part, and the movable part is clamped with the installation plate to press the pressing part on the second end of the fixing plate. The expansion card fixing device of the utility model presses the fixing plate of the expansion card on the installation frame through forming elastic clamping between the elastic clamping component and the installation frame. The expansion card fixing device has simple stricture and convenient installation anddisassembly operation.

Description

expansion card holder

technical field

The utility model relates to an expansion card fixing device, in particular to an expansion card fixing device used on a computer or a server.

Background technique

With the rapid development of the computer information industry and the expansion of its application scope, people's requirements for computer functions are constantly increasing. Usually, multiple functional hardware needs to be added inside the computer, and the expansion card is the most common device for improving computer functions. A general computer system is usually equipped with expansion cards with different functions, such as a graphics acceleration display card, a video card, a network card, and a sound card. A plurality of expansion card slots are arranged on the rear panel of the computer casing. In the prior art, one side of the expansion card is usually locked on a metal fixing piece first, and then the fixing pieces are locked one by one to one side of the expansion card slot on the rear plate by screws, thereby fixing the expansion card. However, when this fixing method is used in an industrial computer or server, since a large amount of hardware will be installed in the industrial computer or server, multiple expansion cards need to be installed. At this time, if you still use screws to fix it, not only is the operation cumbersome and time-consuming, but also tools such as a screwdriver must be used for screw locking, and the computer or server case has a narrow space due to the installation of a large number of components, so it is impossible to use tools such as a screwdriver to fix it. Complete screw lock.

Contents of the invention

In view of the above, it is necessary to provide an expansion card fixing device that is easy to install and can effectively utilize the space inside the casing.

An expansion card fixing device, comprising a mounting frame and a fixing sheet for installing an expansion card, the mounting frame has a bent baffle, and the fixing sheet has a first One end and a second end against the baffle of the installation frame, the expansion card fixing device also includes an elastic clip rotatably mounted on the baffle, the elastic clip has a movable part and a pressing part, and the movable part elastically engages with the mounting plate to force the pressing part to press against the second end of the fixing piece.

Preferably, the installation frame defines an opening adjacent to the baffle, and the movable part of the elastic clip is accommodated in the opening.

Preferably, a fastening portion protrudes from the edge of the opening opposite to the baffle, and a fastening slot is provided on the movable portion of the elastic fastening piece to engage with the fastening piece.

Preferably, the movable part of the elastic clip has a first clip, and a wedge-shaped projection is protruded from the first clip to block the edge of the clip part of the installation frame.

Preferably, the elastic clamping member also has a second clamping piece bent and connected to the first clamping piece, a wedge-shaped projection protrudes from the second clamping piece, and the clamping groove is opened on the Between the two wedge-shaped protrusions on the first and second fastening pieces.

Preferably, the two wedge-shaped protrusions protrude gradually from the surfaces of the first fastening piece and the second fastening piece to the joints of the first fastening piece and the second fastening piece respectively.

Preferably, the connection between the movable part and the pressing part of the elastic clip extends two stoppers that stop at the side edge of the opening on the mounting bracket, and the movable part is arranged between the two stopper ribs .

Preferably, the pressing part of the elastic clip has a body attached to the second end of the fixing piece, and an elastic piece protruding from the body, when the elastic clip is engaged with the mounting bracket, The resilient piece elastically deforms and presses against the second end of the fixing piece.

Preferably, one side of the pressing portion of the elastic clip extends two opposite pivot pieces perpendicular to the body, each pivot piece defines a pivot hole, and the baffle is provided with two spaced apart A pivoting part, the two pivoting pieces are installed between the two pivoting parts, and a pivoting fixing piece respectively passes through the pivoting holes of the two pivoting parts and the two pivoting pieces to hold the elastic card The firmware is pivotally mounted on the installation frame.

Preferably, a receiving portion is formed between the two pivoting parts of the elastic clip, and the pressing portion of the elastic clip is perpendicular to the main body to bend a folded sheet accommodated in the receiving portion, and the two pivots The rotating piece is formed by extending from two opposite end edges of the folding piece.

Compared with the prior art, the expansion card fixing device of the present invention presses the fixing piece for installing the expansion card against the installation frame by forming an elastic engagement between an elastic clip member and the installation frame. The expansion card fixing device has a simple structure and is easy to install and disassemble.

Description of drawings

The utility model will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

FIG. 1 is a three-dimensional exploded view of the expansion card fixing device of the present invention and an expansion card.

Fig. 2 is an exploded perspective view of Fig. 1 from another angle.

FIG. 3 is a perspective enlarged view of the clip in FIG. 1 .

Fig. 4 is a three-dimensional assembly view when the clip in Fig. 1 is released.

Fig. 5 is a three-dimensional assembly view of the fastening member in Fig. 1 when it is fastened.

Fig. 6 is a three-dimensional assembly view of the fastening member in Fig. 2 when it is fastened.

Detailed ways

Please refer to Fig. 1 and Fig. 2, the expansion card fixing device of the present utility model can be used for fixing the expansion card 70, and its preferred embodiment comprises a mounting bracket 10, two fixing plates 30 on which the expansion card 70 is installed, and two rotating mounts. The elastic fastener 50 is disposed on the installation frame 10 .

The mounting bracket 10 has a rectangular body 11 . Two elongated installation slots 12 are parallelly defined above the main body 11 for installing the fixing piece 30 and the expansion card 70 . An opening 13 is defined on one side of the two installation grooves 12 . Two bridges 14 protrude from the other side of the installation groove 12 . A slot 141 is formed between each bridge portion 14 and the main body 11 . A plurality of supporting protrusions 17 for supporting the fixing piece 30 protrude from the bottom of each mounting groove 12 at intervals. A side edge of the opening 13 adjacent to the installation groove 12 extends perpendicularly to the main body 11 with a baffle 15 . Two fastening portions 131 protrude from the other edge of the opening 13 . Two fastening posts 16 protrude from the baffle 15 toward the opening 13 at intervals. A plurality of curled pivoting portions 18 are formed at intervals on the side edges of the baffle plate 15 . A pivot hole 181 is defined in the center of each pivot portion 18 . A receiving portion 19 is formed between every two adjacent pivoting portions 18 .

Each fixing piece 30 has an elongated body 31 that can cover the installation slot 12 of the installation frame 10 , and a side of the elongated body 31 extends a second slot that can be inserted into the slot 141 of the installation plate 10 . One end 33 , the other side is perpendicular to the main body 31 and bends a second end 35 that can be used to support the baffle 15 of the installation frame 10 . A U-shaped locking groove 351 is defined on a side edge of the second end 35 corresponding to the locking post 16 .

Please also refer to FIG. 3 , each elastic clip 50 has a pressing portion 51 and a movable portion 55 . The pressing portion 51 has a body 510 parallel to the baffle 15 of the fixing frame 10 . An elastic piece 512 protrudes outward from the middle of the body 510 . One side of the main body 510 is vertically bent with a flap 52 . Two pivoting pieces 53 extend perpendicular to the main body 510 and the folding piece 52 from the upper and lower edges of the folding piece. Each pivot piece 53 defines a pivot hole 531 . The other side of the body 510 is connected to the movable part 53 . The movable part 55 has a connecting wall 56 , one side of the connecting wall 56 is connected to the main body 510 . The movable portion 55 further includes a first fastening piece 57 and a second fastening piece 58 bent and connected to the fastening piece 57 . The second fastening piece 58 is substantially parallel to the main body 510 of the pressing portion 51 . The first fastening piece 57 is connected to the other side of the connecting wall 56 in a V shape. A wedge-shaped protrusion 571 protrudes from the first fastening piece 57 . A wedge-shaped protrusion 581 opposite to the protrusion 571 protrudes from the second locking piece 58 . The protrusions 571 and 581 gradually protrude from the surface of the first fastening piece 57 and the second fastening piece 58 to the joints of the first fastening piece 57 and the second fastening piece 58 respectively. An engaging slot 550 corresponding to the engaging portion 131 on the mounting frame 10 is defined between the highest points of the protrusions 571 and 581 . The upper and lower end edges of the connecting portion 51 and the connecting wall 56 respectively extend a blocking rib 59 that stops at the side edge of the opening 13 on the mounting bracket 10, so that the movable portion 55 is located between the two sides. Between the stop ribs 59.

Please refer to FIGS. 4 to 6 at the same time. During installation, the flaps 52 of the two elastic clips 50 are respectively accommodated in the corresponding receiving portions 19 of the baffle 15 . A pivot fixing member 60 respectively passes through the pivot holes 181 of the several pivoting parts 18 and the pivot holes 531 of the two pivot pieces 53 of the fastener 50 to pivotally fix the elastic fastener 50 on the On the baffle 15. The first ends 33 of the two fixing pieces 30 are respectively inserted into the corresponding slots 141 on the mounting plate 10, and the second ends 35 of the two fixing pieces 30 are respectively attached to the baffle plate 15, The U-shaped locking groove 351 on the second end 35 is engaged with the locking post 16 . Hold the second fastening piece 58 corresponding to the elastic fastening member 50 , and rotate the elastic fastening member 50 toward the installation frame 10 . The elastic piece 512 of the elastic locking member 50 is gradually compressed and deformed during this process, and at the same time, the locking portion 131 on the mounting bracket 10 correspondingly presses the wedge-shaped protrusion 581 on the first locking piece 57, forcing the The movable portion 55 is elastically deformed toward the baffle 15 . When the fastening part 131 falls into the slot 550 between the two wedge-shaped projections 581 of the movable part 55, the movable part 55 elastically recovers, and the edges of the two wedge-shaped projections 581 respectively stop at the outside of the fastening portion 131 . At this time, the pressing portion 51 of the elastic clip 50 is attached to the second end 35 of the fixing piece 30 , and the stop rib 59 is against the side edge of the opening 13 of the installation frame 10 . The elastic piece 512 is deformed and tightly pressed against the second end 35 of the fixing piece 30 , thereby firmly fixing the corresponding fixing piece 30 and the expansion card 70 mounted on the fixing piece 70 on the mounting frame 10 .

When dismounting, hold the movable part 55 of the corresponding elastic clip 50 and press and deform it toward the baffle plate 15 of the installation frame 10 . When the movable part 55 is deformed until the fastening part 131 disengages from the slot 550 of the movable part 55 , the elastic fastening member 50 is rotated away from the installation frame 10 . The pressing portion 51 and the elastic piece 512 of the elastic clip 50 no longer press against the second end 35 of the fixing piece 30, and the fixing piece 30 and the expansion card 70 corresponding to the elastic fixing piece 50 can be removed from the mounting frame. 10 and remove it.

Claims (10)

1. expansion card fixer, comprise that an erecting frame and is in order to install the stator of expansion board, it is characterized in that: described erecting frame has the baffle plate of a bending, described stator has one second end on the baffle plate that is inserted in one first end on the described installing plate and is resisted against described erecting frame, described expansion card fixer comprises that also a rotation is installed on the elasticity holding firmware on the described baffle plate, described elasticity holding firmware has a movable part and a pressure section, and described movable part engages with described installing plate elasticity forces described pressure section to press on second end of described stator.

2. expansion card fixer as claimed in claim 1 is characterized in that: described erecting frame is offered an opening adjacent with described baffle plate, and the movable part of described elasticity holding firmware is contained in the described opening.

3. expansion card fixer as claimed in claim 2 is characterized in that: the lateral edges that described opening is relative with baffle plate protrudes out a holding division, offers a draw-in groove that engages with described fixing sheet on the movable part of described elasticity holding firmware.

4. expansion card fixer as claimed in claim 3 is characterized in that: the movable part of described elasticity holding firmware has one first and fixes sheet, and described first fixes sheet is convexly equipped with the wedge shaped projection of a block in the holding division edge of described erecting frame.

5. expansion card fixer as claimed in claim 4, it is characterized in that: described elasticity holding firmware also has one and described first and fixes the second fixing sheet that the sheet bending links to each other, described second fixes on the sheet and is convexly equipped with a wedge shaped projection, and described draw-in groove is opened in described first and second and fixes between two wedge shaped projection on sheet.

6. expansion card fixer as claimed in claim 5 is characterized in that: described two wedge shaped projection fix the sheet surface from the described first fixing sheet and second respectively and fix sheet junction projection gradually to the described first fixing sheet and second.

7. expansion card fixer as claimed in claim 2 is characterized in that: two blocks are extended in the retaining piece of described erecting frame upper shed lateral margin in the movable part of described elasticity holding firmware and pressure section junction, and described movable part is arranged between described two stopping ribs.

8. expansion card fixer as claimed in claim 1, it is characterized in that: the pressure section of described elasticity holding firmware has a body that is attached at described stator second end, an and shell fragment that is convexly equipped with from described body, when described elasticity holding firmware engaged with erecting frame, described shell fragment elastic deformation pressed on second end of described stator.

9. expansion card fixer as claimed in claim 8, it is characterized in that: pressure section one side of described elasticity holding firmware is extended the relative pivot sheet of two vertical described bodies, offer a pivoting hole on each pivot sheet, described baffle plate is provided with two pivot parts that are provided with at interval, described two pivot sheets are installed between described two pivot parts, and the pivoting hole that a pivotal mount is passed described two pivot parts and two pivot sheets respectively is installed in described elasticity holding firmware pivot on the described erecting frame.

10. expansion card fixer as claimed in claim 9, it is characterized in that: form a resettlement section between two pivot parts of described elasticity holding firmware, vertical described body bending one tabs that is contained in the described resettlement section of the pressure section of described elasticity holding firmware, described two pivot sheets extend to form from described tabs two opposite end edge.

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